This article contributes to the debate on the relation between trust and control in the management of inter-organizational relations. More specifically, we focus on the question how trust and formal contract are related. While there have been studies on whether trust and contract are substitutes or complements, they offer little insight into the dynamic interaction between the two. They fail to answer, first, whether contract precedes trust or follows it, in other words, what causal relationship exists between the concepts; second, how and why trust and contract can substitute or complement each other; and third, how the various combinations of trust and contract affect a relationship’s development and outcome. In search of answers, we conducted longitudinal case studies to reveal the relationship between trust, contract and relationship outcome in complex inter-firm relationships. We find trust and contract to be both complements and substitutes and find that a close study of a contract’s content offers alternative insight into the presence and use of contracts in inter-firm relationships.

This report should be cited as "Barbara van Mierlo, Cees Leeuwis, Ruud Smits, Rosalinde Klein Woolthuis, Learning towards system innovation: Evaluating a systemic instrument

This article discusses the strategies that sustainable entrepreneurs use to interact with their environment in the Dutch construction industry. The Dutch construction industry is under great pressure to move towards sustainability, and entrepreneurs are believed to be able to play a large role in this transition by introducing new products and new business practices. But how can entrepreneurs prosper in an environment that is not geared up towards such a change? And which strategies do they use to bend conditions in their favor? In this article we make use of the Market and System Failure Framework to analyze the pressures that entrepreneurs are confronted with when introducing sustainable innovations. We recognize that these pressures can be seen as bottlenecks, but that market and system failures can also create entrepreneurial opportunities. We interviewed 16 entrepreneurs in the Dutch construction industry to determine the influences they experienced from their environment and the strategies they use to deal with these. We conclude that we can distinguish between system building and following entrepreneurs, where the former aims to build a new system to challenge the old one, whereas the latter rather makes use of existing structures to build a business. We find that both strategies can be successful and that overall, the entrepreneurs confirm the belief that sustainability on people, planet and transparency aspects, can contribute very well to the long term profitability of the businesses the entrepreneurs are running. These in-depth insights into the influences from the context on the one hand, and the entrepreneurs’ strategic reactions on the other hand, contribute to our understanding of the interactions between entrepreneurs and the system context. This can help us to more effectively stimulate and support innovating entrepreneurs to contribute to the transition towards sustainability

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